This powerful diving watch suitable for professional divers. Supports diving and freestyle modes, meeting different sports needs.Features:Multifunctional: Scuba Diving, NDL Time, Nitrox, Compass, Altimeter, Barometer, Thermometer, Time, Stopwatch, Count Down, Alarm, Back light, 100M water proof and so on.2 diving modes, free diving, and scuba diving.Silicone strap,316L stainless steel watchcase and tempered glass dial window.Suitable for daily life and outdoor sports.Casual and military-style dial design, fashionable appearance.Specifications:Color: SilverMaterial: Tempered glass, stainless steel watch case, Silicone strapCase diameter: 50 mm / 1.97 inCase Thickness: 16mm / 0.63inBattery: CR2450 580mAh Button cellWater resistant: 100m / 328.1feetWeight: 123g / 4.03ozPackage Size: 10*10*7cm / 3.9*3.9*2.8inPackage Weight: 300g / 10.6ozPackage List:1 * Dive Watches1 * User Manual